Electric Mid&Hi Fired Ceramics
Potters & Sculptors - Making Rock from Mud
Mother of Pearl Glaze
Anyone know of a "mother of pearl glaze" listed from Glazemixer?or one that is similar?
Comment
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Comment by Tileworks on October 22, 2016 at 10:19pm
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This is a glaze I developed for our tile studio. I am sorry that I cannot share the formula. If there is another site like Glazemixer I could offer it that way.
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Comment by Norm Stuart on October 10, 2015 at 4:06pm
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This is a photo of the Cone 6 "Mother of Pearl" glaze which was on Glazemixer.
You can add a "Mother of Pearl" sheen to any glaze with a layer of bismuth subnitrate or commercial "Mother of Pearl" luster fired to Cone 020. - http://www.duncanpaintstore.com/nmclay-bin/shop.pl/page=OG.html
Alternately this "Cone 6 Blue Peacock" recipe is the closest match I've found to the Glazemixer photo.
When on porcelain or when fast cooled it is less brown and more shiny and lustrous. But it in no way does it replicate the look of a cone 020 firing of luster over another glaze.
The second photo below is Alisa Clausen's photo of this glaze. Even fast-cooled I've never seen Peacock Blue look like her photo, yet the ingredients are all standard which shouldn't vary in chemistry between America and Europe. - https://www.flickr.com/photos/glazes/2038815566/in/photostream/
The Zinc Oxide is a powerful flux which creates a variety of different crystallization effects depending on how it is cooled. Refiring zinc glazes in a bisque will usually change the look significantly.
110.0% Blue Peacock ^6 40.0% Feldspar Custer 15.0% Ball Clay OM4 12.0% Silica 18.0% Wollastonite 15.0% Zinc Oxide 10.0% Titanium Dioxide 1.0% Cobalt Carbonate 1.4% Copper Carbonate
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